#!/usr/bin/env python3.4

name = 'python3.4'

if name.startswith('pyt'):
    print('Yes, the string start with "pyt"')

if 'o' in name:
    print('Yes, it contains the string "a"')

if name.find('tho') != -1:
    print('Yes, it contains the string "ton"')

delimiter = '_*_'
clist = ['Brazil', 'Russia', 'India', 'China']
print(delimiter.join(clist))
